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Finding the Fourth Proportional to 490,636.59, 735,954.28 and 153,703.48

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Solution

The fourth proportional to 490,636.59, 735,954.28 and 153,703.48 is: 230,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,636.59 : 735,954.28 = 153,703.48 : x
  2. Step 2: Convert to fraction form
    490,636.59/735,954.28 = 153,703.48/x
  3. Step 3: Cross multiply
    490,636.59x = 735,954.28 × 153,703.48
  4. Step 4: Simplify right side
    490,636.59x = 113,118,733,956.89
  5. Step 5: Solve for x
    x = 113,118,733,956.89/490,636.59
  6. Step 6: Final answer
    x = 230,555.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.